CN218297804U

CN218297804U - Special clamp for tension test

Info

Publication number: CN218297804U
Application number: CN202220643738.XU
Authority: CN
Inventors: 胡本田
Original assignee: Qingdao Xinguang Precision Technology Co ltd
Current assignee: Qingdao Xinguang Precision Technology Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2023-01-13
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses a tensile test special fixture, the on-line screen storage device comprises a base, the base up end is equipped with the shifting chute, the shifting chute internal rotation is equipped with removes double threaded rod, be equipped with the moving motor of being connected with removing double threaded rod in the base, the base top is equipped with two movable plates, two the movable plate all is connected with removing double threaded rod through moving mechanism. The utility model discloses a set up the regulating plate, the movable rod, the picture peg, elastic mechanism and fixed establishment, the removal nut that its outer wall cover was established can drive splint through regulating plate and dead lever and carry out the interval regulation when adjusting double threaded rod pivoted to the realization is fixed to the centre gripping of the article that awaits measuring, along with two splint intervals reduce can compress the extrusion spring, the elastic potential energy that the extrusion spring provided this moment can provide elastic buffer, avoid splint to cause the damage to the excessive centre gripping of the article that awaits measuring, enable the device and possess certain protective capacities.

Description

Special clamp for tension test

Technical Field

The utility model relates to a tensile test technical field especially relates to a tensile test special fixture.

Background

The tensile test is used for testing the mechanical properties of the material such as tension, compression, bending, shearing, peeling and the like.

The fixture with the clamping and fixing functions is indispensable in the tension test, the whole functionality of the fixture in the prior art is poor, the object to be tested with the middle thickness cannot be clamped and fixed, meanwhile, the fixture and the adjusting device are basically fixedly connected, so that the device with the clamping function is very inconvenient to disassemble, the whole practicability and convenience of the device are very low, the problem needs to be improved, and the special fixture for the tension test is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a special clamp for tension test.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a pulling force test special fixture, includes the base, the base up end is equipped with the shifting chute, the shifting chute internal rotation is equipped with removes double threaded rod, be equipped with the moving motor of being connected with removing double threaded rod in the base, the base top is equipped with two movable plates, two the movable plate all is connected with removing double threaded rod through moving mechanism, two the movable plate lateral wall all is equipped with the adjustment tank, the shifting chute internal rotation is equipped with adjusts double threaded rod, two the movable plate up end all is equipped with the accommodate motor of being connected with adjusting double threaded rod, the movable plate side is equipped with the regulating plate that two longitudinal symmetry set up, two the regulating plate tip all is equipped with the activity groove, the activity inslot is equipped with the movable rod, be equipped with two picture pegs through elastic mechanism on the movable rod, two the picture peg all is connected through fixed establishment and adjust double threaded rod, two it runs through and is equipped with the dead lever to all slide on the regulating plate, the dead lever both ends are fixed splint and fixed plate respectively, splint pass through extrusion mechanism and are connected with the regulating plate.

Preferably, moving mechanism includes that the threaded bush establishes the removal nut at removal double threaded rod both ends outer wall, moving plate tip and removal nut up end fixed connection.

Preferably, the elastic mechanism comprises two sliding sleeves which are sleeved on the outer wall of the movable rod in a sliding manner, the end part of the inserting plate is fixedly connected with the outer wall of the sliding sleeve, and the two sliding sleeves are elastically connected through a movable spring.

Preferably, fixed establishment is including fixing the fixed block at the picture peg outer wall, and adjusting nut is last to be equipped with two slots that correspond with the picture peg, the slot inner wall is equipped with the fixed slot that corresponds with the fixed block.

Preferably, the extrusion mechanism comprises an extrusion spring sleeved outside the fixing rod, and two ends of the extrusion spring are respectively elastically connected with the bottom wall of the clamping plate and the outer wall of the adjusting plate.

Preferably, limiting rods are arranged in the moving groove and the adjusting groove, and the two limiting rods respectively penetrate through the moving nut and the adjusting nut in a sliding mode.

The utility model has the advantages that:

1. through setting up the regulating plate, the movable rod, the picture peg, elastic mechanism and fixed establishment, the removal nut that its outer wall cover was established when adjusting double threaded rod pivoted can drive splint through regulating plate and dead lever and carry out the interval regulation, thereby it is fixed to the centre gripping of examination article to realize awaiting measuring, along with two splint intervals reduce can compress the extrusion spring, the elastic potential energy that the extrusion spring provided this moment can provide elastic buffer, avoid splint to wait that the too centre gripping of examination article causes the damage, enable the device and possess certain protective capability.

2. Through setting up splint, dead lever and extrusion mechanism, the regulating plate passes through picture peg and fixed block and fixed slot realization and adjusting nut's stable connection, can remove when adjusting the picture peg through the sliding sleeve and make fixed block and fixed slot break away from and be connected, can be convenient for dismantle, maintain or change the operation such as the device of regulating plate and splint.

Drawings

Fig. 1 is a schematic structural view of a special fixture for tensile testing provided by the present invention;

fig. 2 is a schematic structural view of an elastic mechanism of the special fixture for tension test provided by the present invention;

fig. 3 is the utility model provides an external structure schematic diagram of tensile test special fixture.

In the figure: the device comprises a base 1, a moving groove 2, a moving double-threaded rod 3, a moving nut 4, a moving motor 5, a moving plate 6, an adjusting groove 7, an adjusting double-threaded rod 8, an adjusting motor 9, an adjusting plate 10, an adjusting nut 11, a clamping plate 12, a fixed rod 13, an extrusion spring 14, an inserting plate 15, a fixed block 16, a movable groove 17, a movable rod 18 and a movable spring 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a special fixture for tension testing, including base 1, base 1 up end is equipped with shifting chute 2, the internal rotation of shifting chute 2 is equipped with removal double threaded rod 3, be equipped with the moving motor 5 of being connected with removal double threaded rod 3 in the base 1, base 1 top is equipped with two movable plates 6, two movable plates 6 all are connected with removal double threaded rod 3 through moving mechanism, moving mechanism includes that the threaded bush is established at the removal nut 4 of the outer wall of removal double threaded rod 3 both ends, 6 tip of movable plate and 4 up end fixed connection of removal nut, start moving motor 5 and can drive removal double threaded rod 3 and rotate, removal nut 4 that its outer wall cover established can drive movable plate 6 and remove when removing double threaded rod 3 and realize that the interval adjustment produces the pulling force.

Two 6 lateral walls of movable plate all are equipped with adjustment tank 7, the 7 internal rotations in adjustment tank are equipped with regulation double threaded rod 8, two 6 up end of movable plate all are equipped with the accommodate motor 9 of being connected with regulation double threaded

rod

8, 6 sides of movable plate are equipped with two regulating plates 10 that the longitudinal symmetry set up, two regulating plate 10 tip all are equipped with movable groove 17, be equipped with movable rod 18 in the movable groove 17, be equipped with two picture pegs 15 through elastic mechanism on the movable rod 18, elastic mechanism includes that two slip caps establish the sliding sleeve at the 18 outer walls of movable rod, picture peg 15 tip and sliding sleeve outer wall fixed connection, through the 19 elastic connection of movable spring between two sliding sleeves, two picture pegs 15 can remove to both sides under the effect of movable spring 19, when picture peg 15 is in the slot, can drive fixed block 16 and insert in the fixed slot.

Two picture peg 15 all are connected with regulation double threaded rod 8 through fixed establishment, and fixed establishment is including fixing the fixed block 16 at picture peg 15 outer wall, is equipped with two slots that correspond with picture peg 15 on the adjusting nut 11, and the slot inner wall is equipped with the fixed slot that corresponds with fixed block 16, and when fixed block 16 on the picture peg 15 lateral wall was in the fixed slot, adjusting plate 10 can realize stably being connected with adjusting nut 11.

All slide on two regulating plates 10 and run through and be equipped with dead lever 13, dead lever 13 both ends are fixed splint 12 and the fixed plate of being equipped with respectively, splint 12 is connected with regulating plate 10 through extrusion mechanism, extrusion mechanism establishes at the outside extrusion spring 14 of dead lever 13 including the cover, extrusion spring 14 both ends respectively with splint 12 diapire and regulating plate 10 outer wall elastic connection, can compress extrusion spring 14 along with two splint 12 intervals reduce, the elastic potential energy that extrusion spring 14 provided this moment can provide elastic buffer, avoid splint 12 excessively centre gripping to the article that awaits measuring to cause the damage.

All be equipped with the restriction lever in shifting chute 2 and the adjustment tank 7, two restriction levers slide respectively and run through shifting nut 4 and adjusting nut 11, and the restriction lever plays the restriction effect, can avoid shifting nut 4 and adjusting nut 11 to follow shifting double threaded rod 3 and adjust double threaded rod 8 and rotate.

When the utility model is used, the movable motor 5 is started to drive the movable double-threaded rod 3 to rotate, and the movable nut 4 sleeved on the outer wall of the movable double-threaded rod 3 can drive the movable plate 6 to move when the movable double-threaded rod 3 rotates so as to realize the distance adjustment and generate the tension;

when the adjusting motor 9 is started, the adjusting double-threaded rod 8 can be driven to rotate, and when the adjusting double-threaded rod 8 rotates, the adjusting nut 11 sleeved on the outer wall of the adjusting double-threaded rod can drive the clamping plates 12 to adjust the distance between the clamping plates through the adjusting plate 10 and the fixing rod 13, so that the to-be-tested object can be clamped and fixed, the extruding spring 14 can be compressed along with the reduction of the distance between the two clamping plates 12, the elastic potential energy provided by the extruding spring 14 can provide elastic buffering, and the damage to the to-be-tested object due to the excessive clamping of the clamping plates 12 is avoided;

adjusting plate 10 relies on picture peg 15 to realize being connected between with adjusting nut 11, need stir two sliding sleeves when dismantling it, thereby the sliding sleeve drives picture peg 15 and removes and make fixed block 16 break away from with the fixed orifices, picture peg 15 lose afterwards with the slot between fixed connection, can transversely take out adjusting plate 10 and drive picture peg 15 and slot separation to the convenience is maintained or operation such as change splint 12.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The special clamp for the tension test comprises a base (1) and is characterized in that a moving groove (2) is formed in the upper end face of the base (1), a moving double-threaded rod (3) is arranged in the moving groove (2) in a rotating mode, a moving motor (5) connected with the moving double-threaded rod (3) is arranged in the base (1), two moving plates (6) are arranged above the base (1) and are connected with the moving double-threaded rod (3) through a moving mechanism, two moving plates (6) are arranged on the side wall of the moving plate (6) and are provided with adjusting grooves (7), an adjusting double-threaded rod (8) is arranged in the adjusting groove (7) in a rotating mode, two adjusting motors (9) connected with the adjusting double-threaded rod (8) are arranged on the upper end face of the moving plate (6), two adjusting plates (10) which are arranged in an up-down symmetrical mode are arranged on the side of the moving plate (6), two adjusting plates (10) are provided with moving grooves (17) at the end portions, a moving rod (18) is arranged in the moving groove (17), two moving rods (18) are provided with two inserting plates (15) through an elastic mechanism, two adjusting plates (13) are arranged on the moving rod (13) and are arranged on the two fixing plates (13), the clamping plate (12) is connected with the adjusting plate (10) through an extrusion mechanism.

2. The special fixture for tensile test as claimed in claim 1, wherein the moving mechanism comprises a moving nut (4) which is threaded on the outer walls of the two ends of the moving double-threaded rod (3), and the end of the moving plate (6) is fixedly connected with the upper end face of the moving nut (4).

3. The special fixture for tension test as claimed in claim 2, wherein the elastic mechanism comprises two sliding sleeves sleeved on the outer wall of the movable rod (18), the end of the insert plate (15) is fixedly connected with the outer wall of the sliding sleeves, and the two sliding sleeves are elastically connected through a movable spring (19).

4. The special fixture for tension test as claimed in claim 3, wherein the fixing mechanism comprises a fixing block (16) fixed on the outer wall of the inserting plate (15), two inserting grooves corresponding to the inserting plate (15) are arranged on the adjusting nut (11), and fixing grooves corresponding to the fixing block (16) are arranged on the inner walls of the inserting grooves.

5. The special fixture for tensile test as claimed in claim 4, wherein the pressing mechanism includes a pressing spring (14) sleeved outside the fixing rod (13), and two ends of the pressing spring (14) are respectively elastically connected to the bottom wall of the clamping plate (12) and the outer wall of the adjusting plate (10).

6. The special fixture for the tension test according to claim 5, wherein the moving groove (2) and the adjusting groove (7) are respectively provided with a limiting rod, and the two limiting rods respectively penetrate through the moving nut (4) and the adjusting nut (11) in a sliding manner.